Clearly sample size calculations are a key component of clinical trials as the emphasis in most of these studies is in finding the magnitude of difference between therapies All clinical trials should have an assessment of sample size In other study types sample size estimation should be performed to improve the precision of our final results
Get PriceIf a 2 inch particle is fed to the roll crusher the absolute smallest size one could expect from the crusher is 1/2 inch Roll crushers will only crush material down to a minimum particle size of about 10 Mesh 2 mm A roll crusher crushes using compression with two rolls rotating about a shaft towards the gap between the rolls
Get PriceMotor size Some of the input information for pump Static Suction Head h1 Static Discharge Head h2 Is Pump Inlet Diameter equal to Outlet Diameter Enter Pump Inlet Diameter Enter Pump Outlet Diameter Density of Liquid D Required Amount of Liquid at perticular Height
Get PriceIdeal for secondary and tertiary crushing applications where product requirements drop down to ¼ 6mm Black Diamond Double Roll Crushers are most commonly used to crush clean coal or friable materials with little or no hard refuse They are available with single or dual V belt drive Heavy Duty Double Roll Crushers
Get Pricesize 42 size single roll coal sizing crusher capacity calculation of doube roll crusher double roller roll crushers are compression type crushers and were once widely used in mining al plants will use roll crushers either single roll or double roll as primary crushers photo of a small scale roll crusher with a capacity if tonhour
Get PriceIrrigation System Pumping Requirements Calculate the system capacity flow rate required to meet the demands of a field NPSHA determines the absolute pressure at the pump impeller Total Dynamic Head This calculator finds the pressure required at the pump and the head that the pump must generate Minimum Required Pipe Size Determine
Get PriceWhile crushing is governed by basic laws of physics no single law or rule take the place of experience and testing in the selection and sizing of a suitable crusher for a given application A number of factors go into the proper selection of a crusher for a given application including the following
Get PriceMill Sizing Calculation Al Crusher Grinding Circuit Design For Adanac Moly Sgs Sag grinding and bond ball mill work index bwi for ball mill measure the minnovex crusher index ci was also measured for use in the ceet program to determine sag mill feed size kosick and bennett 2024 the spi values varied from to 107
Get PriceCrushers are widely used as a primary stage to produce the particulate product finer than about 50 100 mm in size They are classified as jaw gyratory and cone crushers based on compression cutter mill based on shear and hammer crusher based on impact
Get PriceThe formula for calculating capacity of jaw crusher C JC = / CSS Where C JC = Capacity of Jaw Crushers G = Gape Size W = Width of Crusher CSS = Closed Single Setting of Jaw Crushers Let s solve an example Find the capacity of jaw crusher when the gape size is 10 the width of crusher is 8 and the closed single setting of jaw crusher is 14
Get Pricecrusher can be written as the machine and Vh = 60N x w S T /2 DT/ [G S T ] 5 the nature of the material including the true density of at low speeds and the material Vh = 60N x w S T /2 450 g/N2 6 The size characteristics of the feed are important consid = x 1 0 5 S T/2 /N erations The coarser the feed the larger the number of
Get PriceThere are four basic ways of reducing the size of materials in the mineral processing industry these are impact attrition shear or compression and most crushers employs a combination of these crushing methods Brennal et al 1969 Crushing operation is becoming very popular in the Nigerian mineral industry because of the
Get PriceRotary Dryer Calculation: Volume calculation G 1 =AV÷{1000×〖W1—W2〗÷〖100—W1〗} 3=AV÷{1000× 55 12 / 100 55 }=AV/956 V= 3 Provided Drum dimension φ×24m V=πr²L=()²x24= 9 1m3 >82m3(fulfill requirement Rotary Dryer Energy Balance Air Flow Velocity v=/s Dry Air Density ρ=/m 3 Air Humidity H=/kg dry air
Get PriceStep 1 Coefficient of fluctuation C s calculation The value is given as C s = Step 2 Mass moment of inertia I calculation Input required kinetic energy of the system to be calculated Kinetic energy of the system K e calculation Work done W = 22 10^3 Assume rated load delivered during 15% of power stroke
Get Pricejaw crusher sizing calculation Design of a crushing system that improves the crushing The space at the bottom of the V aligned jaw plates is the crusher product size gap or the size of the crushed product from the jaw crusher What is angle of nip In a ro Get More
Get Priceball Mill sizing calculation al Crusher Calculation of ball mill jaw crusher After more than 30 years of hard exploration the company has established a complete and effective service system and built an experienced service team to provide customers with not only free site planning design and installation of basic drawings and flow charts professional technical training but alsoball mill
Get PriceGeneral Methodology All cable sizing methods more or less follow the same basic six step process 1 Gathering data about the cable its installation conditions the load that it will carry etc 2 Determine the minimum cable size based on continuous current carrying capacity
Get PriceFollowing the curve down to the ″ line we find that 43% of the primary crusher output may be expected to pass this screen opening 57% will be retained which means that we must provide secondary crushing capacity to take care of 57 tons for each 100 tons fed to the primary crusher
Get PriceCalculate How much material do you need get the answer here Select product to begin calculating amount 1 Select product Base Material Compaction Bases
Get PriceCopper Busbar Size Similar to the calculation above the copper busbar size calculation is quite straightforward Assume that we need a busbar to carry 2024 A and withstand a 35 kA fault current for 1 second Scrolling a bit above to our table we found that at least 285 is needed We can use a 60 x 5 mm busbar as a minimum cross section
Get PriceThe common crusher types sizes and their performance are summarised in Table the dimensions of the largest Blake type jaw crusher in use are 1600 mm × sizing design calculation conveyor crusher screen feeder Measuring the Crusher OSS CSS Closed Side Setting for calculation of the closed side setting CSS according to the size
Get PriceDehumidifier calculation by AHAM method Dehumidifier calculation by AHAM proposed method is easy and simple Even though it is not a very accurate one Although for home use we can use this method A whole method based on two factors First the size of the room that needs to dehumidify And humidity condition in that room
Get PriceThe 159 indicates a 548 crusher size with 1″ eccentric throw With 1 in eccentric throw the motor hp allowed on the crusher is a maximum of 125 However since only hp is required for this average material a 100 hp motor is sufficient Fig 2 taken from manufacturer s bulletin lists horsepower requirements and Rod Mill sizes
Get PriceGenerator sizing guide EATON Table 4 Fuel pipe sizing Natural gas values are maximum pipe run in ft kW Pipe size in inches 1 2 3 7 8 55 200 820 10 20 85 370 800 13 14 10 50 245 545 16 17 40 190 425 20 20 130 305 945 22 15 115 260 799 25 10 95 220 739 27 85 203 552 30 60 147 565 35 36 35 95 370 915 40
Get PriceAdditionally jaw crusher feed should be pre screened using a grizzly screen prior to crushing to remove material finer than the closed side setting Setting jaw crushers Ideally the reduction ratio of a jaw crusher should be 6 to 1 There are different ways to calculate reduction ratio but the best way is something called the P80 factor
Get PriceDesign of A Horizontal Shaft Impact Crusher IJAIEM Crushers are one of the most important size convertible equipment that is used in This category of crusher is generally used with soft materials like coal come in contact with the hammers is very small hence here impact loading is applied CALCULATION PER UNIT MASS FOR A HORIZONTAL SHAFT CRUSHER
Get PriceMotor Sizing Calculations This section describes certain items that must be calculated to find the optimum motor for a particular application Selection procedures and examples are given Selection Procedure First determine certain features of the design such as drive mechanism rough dimensions distances moved and positioning period
Get Price1 Total length of yarn sized =Total length of warp × Number of ends 2 Total weight of size on the warp = Weight of sized warp the weight of the unsized warp 3 The weight of size to be put on the warp = Weight of unsized warp × size% required to be put on the warp 4 Weight of unsized warp in pounds Length of warp in yds × Number of ends
Get PriceThere are two basic types of jaw crushers single toggle and double toggle In the single toggle jaw crusher an eccentric shaft is on the top of the crusher Shaft rotation causes along with the toggle plate a compressive action A double toggle crusher has two shafts and two toggle plates The first shaft is a pivoting shaft on the top of
Get PriceCombining Equation with Equation the maximum capacity QM of the crusher will be QM=2820 2LMIN LT RR−ρS f PK f β SC t/h The bulk density of the packing will depend on the particle size distribution The relation between PKand ƒ PK and β and ƒ β is shown in Figure
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